Community-dwelling adults with a history of falling report lower perceived postural stability during a foam eyes closed test than non-fallers
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Perceived postural stability has been reported to decrease as sway area increases on firm surfaces. However, changes in perceived stability under increasingly challenging conditions (e.g., removal of sensory inputs) and the relationship with sway area are not well characterized. Moreover, whether perceived stability varies as a function of age or history of falls is unknown. Here we investigate how perceived postural stability is related to sway area and whether this relationship varies as a function of age and fall history while vision and proprioceptive information are manipulated. Sway area was measured in 427 participants from the Baltimore Longitudinal Study of Aging while standing with eyes open and eyes closed on the floor and a foam cushion. Participants rated their stability [0 (completely unstable) to 10 (completely stable)] after each condition, and reported whether they had fallen in the past year. Perceived stability was negatively associated with sway area (cm2) such that individuals who swayed more felt less stable across all conditions (β = − 0.53, p < 0.001). Perceived stability decreased with increasing age (β = − 0.019, p < 0.001), independent of sway area. Fallers had a greater decline in perceived stability across conditions (F = 2.76, p = 0.042) compared to non-fallers, independent of sway area. Perceived postural stability declined as sway area increased during a multisensory balance test. A history of falling negatively impacts perceived postural stability when vision and proprioception are simultaneously challenged. Perceived postural stability may provide additional information useful for identifying individuals at risk of falls.
KeywordsPostural sway Perceived postural stability Aging Falls
This work was supported in part by the National Institutes of Health (NIDCD K23 DC013056, NIDCD T32 DC000023).
Compliance with ethical standards
Conflict of interest
All other authors declare no conflict of interest.
All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
- Bortoletto M, Mattingley JB, Cunnington R (2011) Action intentions modulate visual processing during action perception. Neuropsychologia 49:2097–2104. https://doi.org/10.1016/j.neuropsychologia.2011.04.004 CrossRefPubMedGoogle Scholar
- Delbaere K, Crombez G, van Haastregt JCM, Vlaeyen JWS (2009) Falls and catastrophic thoughts about falls predict mobility restriction in community-dwelling older people: a structural equation modelling approach. Aging Ment Health 13:587–592. https://doi.org/10.1080/13607860902774444 CrossRefPubMedGoogle Scholar
- Lewis RF (2004) Frequency-specific mal de debarquement. Neurology 63:1983–1984. https://doi.org/10.1212/01.WNL.0000144701.94530.6A CrossRefPubMedGoogle Scholar
- Lin C-C, Barker JW, Sparto PJ et al (2017) Functional near-infrared spectroscopy (fNIRS) brain imaging of multi-sensory integration during computerized dynamic posturography in middle-aged and older adults. Exp Brain Res 235:1247–1256. https://doi.org/10.1007/s00221-017-4893-8 CrossRefPubMedPubMedCentralGoogle Scholar
- Parry SW, Deary V, Finch T et al (2014) The STRIDE (strategies to increase confidence, independence and energy) study: cognitive behavioural therapy-based intervention to reduce fear of falling in older fallers living in the community—study protocol for a randomised controlled trial. Trials 15:210. https://doi.org/10.1186/1745-6215-15-210 CrossRefPubMedPubMedCentralGoogle Scholar
- Tanaka EH, Santos PF, Reis JG, Rodrigues NC (2015) Is there a relationship between complaints of impaired balance and postural control disorder in community—dwelling elderly women? A cross-sectional study with the use of posturography. Braz J Phys Ther 19:186–193. https://doi.org/10.1590/bjpt-rbf.2014.0086 CrossRefPubMedPubMedCentralGoogle Scholar